SD-4 10 D2 - Sundown Audio 10 600W RMS Dual 2-Ohm SD Series Subwoofer. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product. The item "SUNDOWN AUDIO SD-4 10 D2 SUB 10 600W RMS DUAL 2-OHM SUBWOOFER BASS SPEAKER NEW" is in sale since Wednesday, June 15, 2016.This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Subwoofers". The seller is "woofersetc_outlet" and is located in Los Angeles, California. This item can be shipped worldwide.